TY JOUR TI CLINICAL AND LABORATORY EVALUATION OF METHODS OF DIAGNOSTICS AND TREATMENT OF ORAL MUCOSA LEUCOPLAKIA. (Review) KW leukoplakia KW oral mucosal diseases KW autoimmune diseases KW mucosal pathology KW oncological pathologies JO Actual problems in dentistry AU Sapronov, S.S. AU Kozmenko, A.N. AU Larionova, V.S. AU Mavrickaya, M.D. AU Plotnikov, A.S. AU Spiridonova, E.E. PY 2026 IS 2021 PB TIRAZH Publishing House